Optical anisotropy of aligned pentacene molecules on a rubbed polymer corresponding to the electrical anisotropy
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Cites background or methods from "Optical anisotropy of aligned penta..."
...Recently, the alignment of pentacene molecules along the rubbed direction of polymers was reported [8,9,22]....
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...In order to determine the optical anisotropy, which represents the degree of alignment capability, a photoelastic modulator (PEM) (Hinds, PEM-90) was used [22]....
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...In order to generate the anisotropic property, a rubbing process for the PVA layer was conducted by a commercial rubbing machine with a cotton velvet material at a roller speed of 500 rpm [22]....
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...In addition, the PEM method was recently introduced as a new technique to examine the aligning features of pentacene molecules [22]....
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